wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

A 200 Ω resistor has a certain colour code. If one replaces the red colour by green in the code, the new resistance will be

A
500 Ω
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
400 Ω
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
300 Ω
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
100 Ω
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is A 500 Ω
Given, resistance
R=200 Ω=20×101 Ω
So, Colour scheme will be red, black and brown.
Significant figure of red band is 2 and for green is 5 . When red (2) is replaced with green (5), new resistance will be,
R=50×101 Ω=500 Ω
Hence , option (D) is correct.

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Alternating Current Applied to an Inductor
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon